123313422442 has 24 divisors (see below), whose sum is σ = 217893015360. Its totient is φ = 52179636600.

The previous prime is 123313422373. The next prime is 123313422467. The reversal of 123313422442 is 244224313321.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7956184 + ... + 7971667.

It is an arithmetic number, because the mean of its divisors is an integer number (9078875640).

Almost surely, 2^123313422442 is an apocalyptic number.

123313422442 is a deficient number, since it is larger than the sum of its proper divisors (94579592918).

123313422442 is a wasteful number, since it uses less digits than its factorization.

123313422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15927946 (or 15927939 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 123313422442 its reverse (244224313321), we get a palindrome (367537735763).

The spelling of 123313422442 in words is "one hundred twenty-three billion, three hundred thirteen million, four hundred twenty-two thousand, four hundred forty-two".